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  The concept of threading and multithreading model

  The goal of introducing the fundamental concept of threads into the process is to make multi-programs perform concurrently so as to improve the capital application rate and piecemeal throughput, while the introduction of threads is to reduce the time and space expenses paid by the program during concurrent performance. improve the concurrency of piecemeal operations. The most direct understanding of threads is "lightweight processes."

  2022-06-01 04:50:40 Views: 241
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  JuniperSRX Filter-Based Forwarding

  That is, policy routing 1) create routing-instance (SP1,SP2), and instance-type is fowardingedit routing-instance [SP1] instance-typ

  2022-06-01 04:50:40 Views: 228
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  Talking about the window Field of TCP

  It's time to dust off here and write an article about TCP. Today's topic is the sliding window of TCP. Before I start this topic, I'd like to mention a few common misunderstandings about the TCP protocol. Misunderstanding: during the three-way handshake of 1:TCP protocol, the last two packets are [ACK] packets. Explanation: this

  2022-06-01 04:50:29 Views: 267
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  ASA Firewall Dynamic NAT configuration

  Description: OUTSIDE Analog Public Network: eUnip 0 Interface IP:200.200.200.200/24,lo0:8.8.8.8/32,lo10:114.114.114.114/32INSIDE Analog Intranet: vlan 10:1

  2022-06-01 04:50:26 Views: 291
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  Analysis on the New Generation Operation ideas and Advanced Application methods of DDOS Firewall

  Typical DDoS attacks that "win" with network layer traffic also tend to move down to the usage layer in recent years-as of 2013, more than 1/4 of DDoS attacks are based on user procedures, and this share is still increasing year by year. In sharp contrast, with the rapid development of Internet skills

  2022-06-01 04:50:21 Views: 229
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  Perfect upgrade of openssl1.0.1 to 1.0.1g script

  Recently, the openssl loophole has made everyone on the Internet worried. The update made a few days ago has been very busy. The urgent update blog post today updates the blog post and script. Found that many servers have the wrong openssl version (several servers are wrong, so you have to update the new version as soon as possible) [root

  2022-06-01 04:50:21 Views: 201
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  Kali installs the magescan assessment tool

  Magento (McJindou) is a professional open source e-commerce system. Magento is designed to be very flexible, with modular architecture and rich functions. It is easy to integrate seamlessly with third-party applications. It is oriented to enterprise applications, can deal with all kinds of needs, and build a

  2022-06-01 04:50:18 Views: 202
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  Audit the behavior of root users under RHEL6.4

  1. Modify system-auth file 2. Modify password-auth file 3. Restart the auditd service 4. Test (1) monitor log files on server1 (2) log in to server1 remotely and execute the following command (3) to view the monitoring log

  2022-06-01 04:50:13 Views: 290
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  There is a clear target for the construction of information security.

  As a kind of resource, information is of great significance for human beings because of its universality, sharing, value-added, processability and versatility. The essence of information security is to protect information resources in information systems or information networks from various types of threats, interference and destruction, that is, to ensure the security of information.

  2022-06-01 04:50:11 Views: 232
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  Juniper Firewall enables NAT function

  I haven't configured the firewall of juniper for a long time. Recently, I need to configure a SSG-550 of juniper, which is only a simple firewall gateway and requires a NAT proxy to access the Internet, but NAT has not been able to do it well. finally, it is found that it is juniper firewall that needs two to enable NAT.

  2022-06-01 04:50:11 Views: 259
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  Chapter 10 linux Emergency troubleshooting-centos7.5 knowledge

  1. Centos7 forgot the root password on the LINUX kernel option, press e on the first item, find the linux16 line, finally add rd.break;ctrl+x, and then Mount-o remount,rw / sysrootCh

  2022-06-01 04:50:08 Views: 237
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  The = = operator in C #

  The = = operator and the primitive type we compare two integers in two ways, the first using the Equals (int) method, and each using the = = operator: 1 class Program 2 {3 static void M

  2022-06-01 04:49:46 Views: 280
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  Writeup Blinded by the lighter

  Title Tip: 1. Again your mission is to extract an md5 password hash out of the database. You need to get the password information in the database, and the password is

  2022-06-01 04:49:34 Views: 235
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  The relationship between bandwidth and download rate

  Before today, it was always thought that the download speed of 2m bandwidth should be 2M/s, but in fact this is not the case. Let's take 1m bandwidth as an example to explain the relationship between bandwidth and download speed. Bandwidth is the "highest data rate" that can be passed from one point to another in the network. 1M==1MB? Answer

  2022-06-01 04:49:34 Views: 274
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  How to deploy VNet-VNet on Microsoft Azure

  We have always stressed that when setting up a VM on Microsoft Azure, we must pay attention to the fact that the machines that need to communicate with each other must be in the same VNet, then if we encounter the following situations: 1, different data centers, how to achieve cross-data center interconnection 2, there are originally two VNe

  2022-06-01 04:49:34 Views: 219
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  U-Mail Mail system works with Commtouch to build Security Strategic partner

  Latest news: U-Mail, a well-known domestic e-mail system service provider, has reached a security cooperation agreement with Commtouch, an industry leader in Internet security technology and cloud-based services. U-Mail Technical Director said: "protect customers from spam and viruses."

  2022-06-01 04:49:34 Views: 260
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  Key Technology of Telecommunication operator Metropolitan area Network Architecture-QinQ double label

  Application scenario of QinQ technology: each user needs to be placed in a separate VLAN in the operator's network in order to isolate each user. However, because there are only 12 bits of VLAN TAG in 802.1q, the maximum number of vlan can only be 4096.

  2022-06-01 04:49:29 Views: 293
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  Network configuration dynamic routing

  Introduction to dynamic routing in network configuration: dynamic routing protocols generate and maintain routing tables required by the forwarding engine through the exchange of routing information. When the network topology changes, the dynamic routing protocol can update the routing table automatically and is responsible for determining the best path of data transmission. In dynamic routing, administrators no longer need to work with static routes

  2022-06-01 04:49:25 Views: 294
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  The rookie cracked "Youyi IP Agent" ~ ~

  I was reading the post that Xuefa asked for the code two years ago. I haven't touched this thing for a long time. I suddenly thought I was still alive today. A few days ago, I saw someone asking for help that there was a problem with loading and debugging after shelling, so I tried it myself, and I didn't find any so-called problems. Oneself is also

  2022-06-01 04:49:22 Views: 296
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  Use OSSIM to detect Grub2 login authentication bypassing 0Day vulnerabilities

  Using OSSIM to detect Grub2 login authentication bypassing 0Day vulnerabilities researchers have found a Grub2 vulnerability that affects versions 1.98 (released in 2009) and 2.02 (released in 2015). Local users can bypass any form of authentication through this vulnerability

  2022-06-01 04:49:18 Views: 267